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Finding the Fourth Proportional to 336.73, 503.62 and 312.13

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Solution

The fourth proportional to 336.73, 503.62 and 312.13 is: 466.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.73 : 503.62 = 312.13 : x
  2. Step 2: Convert to fraction form
    336.73/503.62 = 312.13/x
  3. Step 3: Cross multiply
    336.73x = 503.62 × 312.13
  4. Step 4: Simplify right side
    336.73x = 157,194.91
  5. Step 5: Solve for x
    x = 157,194.91/336.73
  6. Step 6: Final answer
    x = 466.83

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.